Oh my lol. So you are referring to trendy shoes then
I think now it is about comfy and color versus the actual pattern.
Ultraboosts have cloudfoam which is super comfy for your feet and have a wide variety of colors that give it a unique taste. Also low tops seem to be trending versus high tops.
NMDs have a certain style to them with the thing sticking out, you can mess around with the scheme and it looks pretty cool